Найдите сумму: 11 7/12+6 11/18.

\[11\frac{7^{\backslash 3}}{12} + 6\frac{11^{\backslash 2}}{18} =\]

\[= 11\frac{21}{36} + 6\frac{22}{36} = 17\frac{43}{36} = 18\frac{7}{36}\]